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Old 07-01-2014, 05:29 PM   #1
Outlaw5.0
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Decreased fuel mileage with Michelin Pilot Sport A/S 3?

Has anyone experience a drop in fuel economy going from the factory Kumho KH16 to the Michelin Pilot Sport A/S 3?. I figure a loss of 2-3 mpg overall.


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Old 07-01-2014, 08:56 PM   #2
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it is conceivable.
different tires have different rolling resistances.
tires with full tread depth have a higher rolling resistance than bald tires.

if you happened to get higher roll resistance tires, then I could see a 2mpg loss.
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Old 07-03-2014, 11:49 AM   #3
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it is conceivable.
different tires have different rolling resistances.
tires with full tread depth have a higher rolling resistance than bald tires.

if you happened to get higher roll resistance tires, then I could see a 2mpg loss.
also possible the one is heavier than the other...a pound or two extra all farthest away from center could cause a decrease
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Old 07-03-2014, 08:50 PM   #4
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The Michelin is 1 lb heavier and .1 taller.
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Old 07-04-2014, 06:35 PM   #5
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The tread is squirmier with new tires (thicker tread blocks) so there's more rolling friction.
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Old 07-04-2014, 06:37 PM   #6
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Has anyone experience a drop in fuel economy going from the factory Kumho KH16 to the Michelin Pilot Sport A/S 3?. I figure a loss of 2-3 mpg overall.
More stick more friction. Can't have it all, either more traction or less traction. I'll take more stick any time.
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Old 07-04-2014, 09:41 PM   #7
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Oh yeah they handle nice for sure.
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